Root microbiota shift in rice correlates with resident time in the field and developmental stage

查看全文 作　　者：Jingying [1,2]Zhang;Na [1,2,3]Zhang;Yong-Xin [1,2]Liu;Xiaoning [1,2,3]Zhang;Bin [1]Hu;Yuan [1,2,3]Qin;Haoran [1,2,3]Xu;Hui [1,2,3]Wang;Xiaoxuan [1,2]Guo;Jingmei [1,2,3]Qian;Wei [1]Wang;Pengfan [4,5]Zhang;Tao [4,5]Jin;Chengcai [1]Chu;Yang [1,2]Bai

机构地区：[1]State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China;[2]CAS-JIC Centre of Excel'lence for Plant and Microbial Science (CEPAMS), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences (CAS), Beijing 100101, China;[3]College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100039, China;[4]China National Genebank-Shenzhen, BGI-Shenzhen, Shenzhen 518083, China;[5]BGI-Qingdao, Qingdao 266510, China

出　　处：《Science China(Life Sciences)》索引2018年第61卷第6期,共9页

基　　金：supported by the“Strategic Priority Research Program”of the Chinese Academy of Sciences(XDB11020700);CPSF-CAS Joint Foundation for Excellent Postdoctoral Fellows(2016LH00012);Strategic Priority Research Program of the Chinese Academy of Sciences(QYZDB-SSW-SMC021);the National Natural Science Foundation of China(31772400) 摘　　要：Land plants in natural soil form intimate relationships with the diverse root bacterial microbiota. A growing body of evidence shows that these microbes are important for plant growth and health. Root microbiota composition has been widely studied in several model plants and crops; however, little is known about how root microbiota vary throughout the plant's life cycle under field conditions. We performed longitudinal dense sampling in field trials to track the time-series shift of the root microbiota from two representative rice cultivars in two separate locations in China. We found that the rice root microbiota varied dramatically during the vegetative stages and stabilized from the beginning of the reproductive stage, after which the root microbiota underwent relatively minor changes until rice ripening. Notably, both rice genotype and geographical location influenced the patterns of root microbiota shift that occurred during plant growth. The relative abundance of Deltaproteobacteria in roots significantly increased overtime throughout the entire life cycle of rice, while that of Betaproteobacteria, Firmicutes, and Gammaproteobacteria decreased. By a machine learning approach, we identified biomarker taxa and established a model to correlate root microbiota with rice resident time in the field(e.g., Nitrospira accumulated from 5 weeks/tillering in field-grown rice). Our work provides insights into the process of rice root microbiota establishment. 关键词：时间相关移动大米居民植物生长期陆地植物舞台生命周期

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Root microbiota shift in rice correlates with resident time in the field and developmental stage

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